lead: problem with "interleave" mode

[ami_stuff]

I will attache two samples:

"lead_interleave_always.avi" file was encoded with "interleave" option set to "always" in the lead's encoder

"lead_interleave_never.avi" file was encoded with "interleave" option set to "never" in the lead's encoder

ffmpeg decodes "lead_interleave_always.avi" file with visual misaligments, original codec decodes it correctly

./ffmpeg -i lead_interleave_always.avi -y out.avi
ffmpeg version N-118204-geab65379bf Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
  configuration: 
  libavutil      59. 53.100 / 59. 53.100
  libavcodec     61. 28.100 / 61. 28.100
  libavformat    61.  9.102 / 61.  9.102
  libavdevice    61.  4.100 / 61.  4.100
  libavfilter    10.  6.101 / 10.  6.101
  libswscale      8. 13.100 /  8. 13.100
  libswresample   5.  4.100 /  5.  4.100
Input #0, avi, from 'lead_interleave_always.avi':
  Metadata:
    software        : VirtualDubMod 1.5.10.2 (build 2542/release)
  Duration: 00:00:01.48, start: 0.000000, bitrate: 9426 kb/s
  Stream #0:0: Video: lead (LEAD / 0x4441454C), yuv444p, 300x300, 9636 kb/s, 25 fps, 25 tbr, 25 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (lead (native) -> mpeg4 (native))
Press [q] to stop, [?] for help
Output #0, avi, to 'out.avi':
  Metadata:
    software        : VirtualDubMod 1.5.10.2 (build 2542/release)
    ISFT            : Lavf61.9.102
  Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(tv, progressive), 300x300, q=2-31, 200 kb/s, 25 fps, 25 tbn
    Metadata:
      encoder         : Lavc61.28.100 mpeg4
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
[out#0/avi @ 0x557c82071cc0] video:164KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 3.931224%
frame=   37 fps=0.0 q=24.8 Lsize=     170KiB time=00:00:01.48 bitrate= 942.3kbits/s speed=42.2x